<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			*{
				margin: 0;
				padding: 0;
			}
			div{
				width: 100%;
				box-sizing: border-box;
				padding: 5px;
				
			}
			button{
				width: 100%;
				height: 9vw;
				border: none;
				border-radius: 5px;
				background-color: aqua;
				font-size: 4vw;
				color: #fff;
				font-weight: 600;
			}
		</style>
	</head>
	<body>
		<div>
			<button type="button">登录</button>
		</div>
	</body>
</html>
